Skip to main content
  • Energy Technologies Area
  • Intranet
Home
  • Research Themes +

    Energy Technologies Area (ETA) researchers are continually building on the strong scientific foundation we have developed over the past 50 years. We address the world’s most pressing scientific challenges across the buildings, transportation, and industrial sectors. ETA is at the forefront of developing better batteries for electric vehicles; improving the country's aging electrical grid and innovating distributed energy and storage solutions; developing grid-interactive, efficient buildings; and providing the most comprehensive market and data analysis worldwide.

    • Integrated Energy Systems
    • Energy Storage
    • Advancing Water-Energy Systems
    • Prioritizing Energy Efficiency
    • Innovation Economy
  • Publications
  • News +

    For media inquiries, please email:

    [email protected]

    • Multimedia +
      • Video & Animation
      • Our Websites
    • Social Media
    • Media Outreach
    • Join Our Mailing LIst
  • About Us +

    The Energy Technologies Area (ETA) is unique in translating fundamental scientific discoveries into scalable technology adoption. Our approach combines an understanding of the marketplace and the role of state and federal regulation and policies. ETA's research drives real-world, practical results that affect and improve the everyday lives of Americans and those across the globe. Saving energy and increasing resilience are key to the foundation of our research, which is driven by technoeconomic analysis and in-lab experimentation and discovery.

    • About Us +
      • Staff
      • ETA Safety
      • Mentoring
    • Tools
    • Divisions +
      • Building Technology & Urban Systems
      • Energy Analysis & Environmental Impacts
      • Energy Storage & Distributed Resources

Publications

Publications by Research Area

Buildings
Demand Response
Electricity Markets & Policy
Energy Efficiency
Energy Storage
Industrial Energy Analysis
Renewable Energy
Sustainable Energy & Environmental Systems
Transportation

Publications by Division

Building Technology (BTUS)
Energy Analysis (EAEI)
Energy Storage (ESDR)
X Author: Dre Helmns

2024

Casillas, Armando, Thomas Defauw, Sang woo Ham, Dre Helmns, Lazlo Paul, Anand Prakash, Weiping Huang, Peter Grant, and Marco Pritoni."Demystifying Thermal Energy Storage Integrated Heat Pump Systems: Development of Generalized Sizing and Control Algorithms for Demand Flexibility."ACEEE Summer Study (2024).

2022

Helmns, Dre, Armando Casillas, Anand Prakash, David Blum, Marco Pritoni, Spencer M Dutton, Jonathan Woolley, and Subhrajit Chakraborty."Heat Pumps with Phase Change Thermal Storage: Flexible, Efficient, and Electrification Friendly."2022 Summer Study on Energy Efficiency in Buildings (2022). DOI

2021

Helmns, Dre, David Blum, Armando Casillas, Anand Prakash, Jonathan Woolley, David Vernon, Caton Mande, Michael Woodcox, and Spencer M Dutton."Towards a Techno-Economic Analysis of PCM-Integrated Hybrid HVAC Systems."6th International High Performance Buildings Conference at Purdue (2021).
Helmns, Dre, David Blum, Spencer M Dutton, and Van P Carey."Development and Validation of a Latent Thermal Energy Storage Model Using Modelica."Energies 14.1 (2021) 194. DOI
©2025 Energy Technologies Area, Berkeley Lab

OUR ORGANIZATION

  • Join Our Mailing List
  • Organizational Charts
  • History
  • Intranet (staff only)